Api Endpoint

holdings-13f-verify.iykykblog.workers.dev

SEC Form 13F aggregated holdings verdict: by manager (name or CIK) get the latest-quarter portfolio total, position count, top 10 holdings and quarter-over-quarter change; by CUSIP get how many 13F managers hold the security, aggregate value/shares and top holders. Aggregates computed from public-domain SEC Form 13F data sets.

Open interactive test console

Offering

Provider: holdings-13f-verify.iykykblog.workers.dev
Method: POST
Offering type: Api Endpoint
Transport type: http
Category: Financial Analysis
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://holdings-13f-verify.iykykblog.workers.dev/verify
MIME type: Not provided
First seen: 2026-10-16T01:52:25.593Z
Last seen: 2026-11-05T17:42:50.603Z
Tags: None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.08 USDC
Atomic price: 80000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "80000",
    "payTo": "0x329b4b66AFBC407bb3a22DAEb465487c6FAa08C1"
  }
]

Observed health

Status: Healthy
Latest latency: 343 ms
Average latency: 821 ms
HTTP status: 402
Last checked: 2026-11-05T15:13:07.400Z
Reachability: 93.3% over 15 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "properties": {
        "cusip": {
          "description": "9-character CUSIP, e.g. '037833100' (Apple Inc). Provide manager OR cusip.",
          "type": "string"
        },
        "manager": {
          "description": "13F filing manager name or CIK, e.g. 'Berkshire Hathaway' or '1067983'. Provide manager OR cusip.",
          "type": "string"
        }
      },
      "type": "object"
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {
            "cusip": {
              "description": "9-character CUSIP, e.g. '037833100' (Apple Inc). Provide manager OR cusip.",
              "type": "string"
            },
            "manager": {
              "description": "13F filing manager name or CIK, e.g. 'Berkshire Hathaway' or '1067983'. Provide manager OR cusip.",
              "type": "string"
            }
          },
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}